bug#44644: /tmp/emacs0/ not cleaned up upon exit

[Andreas Schwab]

On Nov 24 2020, Lars Ingebrigtsen wrote:

> I didn't read the code closely enough -- emacs-server already does this,
> but only deletes the /tmp/emacs0/server socket, but leaves the directory
> behind.  As you say, there may be more than one server (with different
> names), so deleting the directory may fail, but the final Emacs that
> exits should successfully delete directory, at least, and I've added
> that to Emacs 28.

This creates a race, which breaks the creation of the server file.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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